/*
 * @Author: 45F
 * @LastEditors: carol
 * @Date: 2019-05-23 15:44:10
 * @LastEditTime: 2019-11-06 09:12:43
 */

import axios from 'axios'
import store from './../store'
import Router from '@/router'
import { message } from 'ant-design-vue'
import { getToken, removeToken } from '@/libs/util'

class HttpRequest {
  constructor (baseUrl) {
    this.baseUrl = baseUrl
    this.queue = {}
  }

  getInsideConfig (param) {
    let config = {}
    if (param) {
      config = {
        baseURL: this.baseUrl,
        withCredentials: true,
        headers: {
          Accept: 'application/json;charset=utf-8',
          'Content-Type': param
        }
      }
    } else {
      config = {
        baseURL: this.baseUrl,
        withCredentials: true,
        headers: {
          Accept: 'application/json;charset=utf-8'
        }
      }
    }
    return config
  }

  destroy (url) {
    delete this.queue[url]
    if (!Object.keys(this.queue).length) {
      // Spin.hide()
    }
  }

  interceptors (instance, url) {
    // instance.defaults.transformResponse = [
    //   function (res) {
    //     res = JSON.parse(res)
    //     // 出错处理
    //     if (res.status === 401) {
    //       // 用户未登录
    //       message.error(res.message).then(() => {
    //         // 跳转登录页
    //         removeToken('token')
    //         Router.push({
    //           name: 'login'
    //         })
    //       })
    //     } else if (res.status && res.status !== 'ok') {
    //       message.error(res.message || res.data)
    //     } else {
    //       return res
    //     }
    //   }
    // ]

    // 请求拦截
    instance.interceptors.request.use(config => {
      // 添加全局的loading...
      if (!Object.keys(this.queue).length) {
        // Spin.show() // 不建议开启，因为界面不友好
      }
      this.queue[url] = true

      const token = getToken()
      if (token) {
        config.headers.Authorization = token
      }
      store.state.loadding = true // 在请求发出之前进行一些操作
      return config
    }, error => {
      return Promise.reject(error)
    })
    // 响应拦截
    instance.interceptors.response.use(res => {
      this.destroy(url)
      store.state.loadding = false
      try {
        const { data, status } = res
        return { data, status }
      } catch (e) {
        message.warning('系统繁忙')
      }
    }, (error) => {
      let { status, request } = error.response
      let res = null
      store.state.loadding = false
      try {
        res = JSON.parse(request.response)
      } catch (e) {
        message.warning('系统繁忙')
        return
      }
      if (status === 401) {
        // 用户未登录
        message.error(res.message).then(() => {
          // 跳转登录页
          removeToken('token')
          Router.push({
            name: 'login'
          })
        })
      } else {
        message.error(res.message || res.data)
      }
      this.destroy(url)
      return Promise.reject(error)
    })
  }
  getHost (url) {
    if (sessionStorage.getItem('host')) {
      url = sessionStorage.getItem('host') + url
    }
    return url
  }
  request (options) {
    // console.log('server:' + options.data.server) // 获取登录填写的服务器地址，以便设置baseURL
    const instance = axios.create()
    // axios.defaults.baseURL = 'http://127.1.1.1:8000'
    options.url = this.getHost(options.url)
    options = Object.assign(this.getInsideConfig(options.contentType), options)
    // instance.defaults.baseURL = 'http://127.1.1.1:8000'
    // console.log('kkk:' + options.baseURL)
    this.interceptors(instance, options.url)
    return instance(options)
  }
}
export default HttpRequest
